2 #include "state_tracker/drm_driver.h"
3 #include "i915_drm_winsys.h"
4 #include "util/u_memory.h"
8 static char *i915_drm_type_to_name(enum i915_winsys_buffer_type type)
12 if (type == I915_NEW_TEXTURE) {
13 name = "gallium3d_texture";
14 } else if (type == I915_NEW_VERTEX) {
15 name = "gallium3d_vertex";
16 } else if (type == I915_NEW_SCANOUT) {
17 name = "gallium3d_scanout";
20 name = "gallium3d_unknown";
26 static struct i915_winsys_buffer *
27 i915_drm_buffer_create(struct i915_winsys *iws,
29 enum i915_winsys_buffer_type type)
31 struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer);
32 struct i915_drm_winsys *idws = i915_drm_winsys(iws);
37 buf->magic = 0xDEAD1337;
41 buf->bo = drm_intel_bo_alloc(idws->gem_manager,
42 i915_drm_type_to_name(type), size, 0);
47 return (struct i915_winsys_buffer *)buf;
55 static struct i915_winsys_buffer *
56 i915_drm_buffer_create_tiled(struct i915_winsys *iws,
57 unsigned *stride, unsigned height,
58 enum i915_winsys_buffer_tile *tiling,
59 enum i915_winsys_buffer_type type)
61 struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer);
62 struct i915_drm_winsys *idws = i915_drm_winsys(iws);
63 unsigned long pitch = 0;
64 uint32_t tiling_mode = *tiling;
69 buf->magic = 0xDEAD1337;
73 buf->bo = drm_intel_bo_alloc_tiled(idws->gem_manager,
74 i915_drm_type_to_name(type),
76 &tiling_mode, &pitch, 0);
82 *tiling = tiling_mode;
83 return (struct i915_winsys_buffer *)buf;
91 static struct i915_winsys_buffer *
92 i915_drm_buffer_from_handle(struct i915_winsys *iws,
93 struct winsys_handle *whandle,
94 enum i915_winsys_buffer_tile *tiling,
97 struct i915_drm_winsys *idws = i915_drm_winsys(iws);
98 struct i915_drm_buffer *buf = CALLOC_STRUCT(i915_drm_buffer);
99 uint32_t tile = 0, swizzle = 0;
104 buf->magic = 0xDEAD1337;
105 buf->bo = drm_intel_bo_gem_create_from_name(idws->gem_manager, "gallium3d_from_handle", whandle->handle);
107 buf->flink = whandle->handle;
112 drm_intel_bo_get_tiling(buf->bo, &tile, &swizzle);
114 *stride = whandle->stride;
117 return (struct i915_winsys_buffer *)buf;
125 i915_drm_buffer_get_handle(struct i915_winsys *iws,
126 struct i915_winsys_buffer *buffer,
127 struct winsys_handle *whandle,
130 struct i915_drm_buffer *buf = i915_drm_buffer(buffer);
132 if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
134 if (drm_intel_bo_flink(buf->bo, &buf->flink))
139 whandle->handle = buf->flink;
140 } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
141 whandle->handle = buf->bo->handle;
143 assert(!"unknown usage");
147 whandle->stride = stride;
152 i915_drm_buffer_map(struct i915_winsys *iws,
153 struct i915_winsys_buffer *buffer,
156 struct i915_drm_buffer *buf = i915_drm_buffer(buffer);
157 drm_intel_bo *bo = intel_bo(buffer);
165 ret = drm_intel_gem_bo_map_gtt(bo);
167 buf->ptr = bo->virtual;
179 i915_drm_buffer_unmap(struct i915_winsys *iws,
180 struct i915_winsys_buffer *buffer)
182 struct i915_drm_buffer *buf = i915_drm_buffer(buffer);
184 if (--buf->map_count)
187 drm_intel_gem_bo_unmap_gtt(intel_bo(buffer));
191 i915_drm_buffer_write(struct i915_winsys *iws,
192 struct i915_winsys_buffer *buffer,
197 struct i915_drm_buffer *buf = i915_drm_buffer(buffer);
199 return drm_intel_bo_subdata(buf->bo, offset, size, (void*)data);
203 i915_drm_buffer_destroy(struct i915_winsys *iws,
204 struct i915_winsys_buffer *buffer)
206 drm_intel_bo_unreference(intel_bo(buffer));
209 i915_drm_buffer(buffer)->magic = 0;
210 i915_drm_buffer(buffer)->bo = NULL;
217 i915_drm_buffer_is_busy(struct i915_winsys *iws,
218 struct i915_winsys_buffer *buffer)
220 struct i915_drm_buffer* i915_buffer = i915_drm_buffer(buffer);
223 return drm_intel_bo_busy(i915_buffer->bo);
228 i915_drm_winsys_init_buffer_functions(struct i915_drm_winsys *idws)
230 idws->base.buffer_create = i915_drm_buffer_create;
231 idws->base.buffer_create_tiled = i915_drm_buffer_create_tiled;
232 idws->base.buffer_from_handle = i915_drm_buffer_from_handle;
233 idws->base.buffer_get_handle = i915_drm_buffer_get_handle;
234 idws->base.buffer_map = i915_drm_buffer_map;
235 idws->base.buffer_unmap = i915_drm_buffer_unmap;
236 idws->base.buffer_write = i915_drm_buffer_write;
237 idws->base.buffer_destroy = i915_drm_buffer_destroy;
238 idws->base.buffer_is_busy = i915_drm_buffer_is_busy;